<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
	</body>
</html>
<script type="text/javascript">
	// 扩展运算符...能将数组转换为逗号分隔的参数序列
	const A = ['a','b','c'];
	function fn(){
		console.log(arguments)
	}
	// fn('a','b','c')
	fn(...A);
</script>